Dizzy spells?

Lately i've been getting really light headed and dizzy. It's been happening more and more frequently. I drink a decent amount of water but I dont take any vitamins so I'm thinking maybe a vitamin deficiency? Anyone else experience anything similac to this? It just started happening a couple days ago and it's been a couple times a day that it's happening. I haven't done anything different.

I have had dizzy spells and episodes of blacking out or passing out since i was a teenager. I have a couple of things going on but one of the things that they always check and are unable to get up is my iron. Maybe try a iron supplement.